1 files changed, 75 insertions, 0 deletions
diff --git a/src/proguard/gui/splash/TimeSwitchSprite.java b/src/proguard/gui/splash/TimeSwitchSprite.java
new file mode 100644
index 0000000..921bef2
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+++ b/src/proguard/gui/splash/TimeSwitchSprite.java
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+/*
+ * ProGuard -- shrinking, optimization, obfuscation, and preverification
+ *             of Java bytecode.
+ *
+ * Copyright (c) 2002-2009 Eric Lafortune (eric@graphics.cornell.edu)
+ *
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License as published by the Free
+ * Software Foundation; either version 2 of the License, or (at your option)
+ * any later version.
+ *
+ * This program is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+ * more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+package proguard.gui.splash;
+
+import java.awt.*;
+
+/**
+ * This Sprite displays another Sprite in a given time interval.
+ * The time of the encapsulated Sprite is shifted by the start time.
+ *
+ * @author Eric Lafortune
+ */
+public class TimeSwitchSprite implements Sprite
+{
+    private final long   onTime;
+    private final long offTime;
+    private final Sprite sprite;
+
+
+    /**
+     * Creates a new TimeSwitchSprite for displaying a given Sprite starting at
+     * a given time.
+     * @param onTime the start time.
+     * @param sprite the toggled Sprite.
+     */
+    public TimeSwitchSprite(long onTime, Sprite sprite)
+    {
+        this(onTime, 0L, sprite);
+    }
+
+
+    /**
+     * Creates a new TimeSwitchSprite for displaying a given Sprite in a given
+     * time interval.
+     * @param onTime  the start time.
+     * @param offTime the stop time.
+     * @param sprite  the toggled Sprite.
+     */
+    public TimeSwitchSprite(long onTime, long offTime, Sprite sprite)
+    {
+        this.onTime  = onTime;
+        this.offTime = offTime;
+        this.sprite  = sprite;
+    }
+
+
+    // Implementation for Sprite.
+
+    public void paint(Graphics graphics, long time)
+    {
+        if (time >= onTime && (offTime <= 0 || time <= offTime))
+        {
+            sprite.paint(graphics, time - onTime);
+        }
+
+    }
+}